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<div class="titlepage"><div><div><h4 class="title">
<a name="boost_typetraits.category.value_traits.properties"></a><a class="link" href="properties.html" title="General Type Properties">General
        Type Properties</a>
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<p>
          The following templates describe the general properties of a type.
        </p>
<p>
          <span class="bold"><strong>Synopsis:</strong></span>
        </p>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/alignment_of.html" title="alignment_of">alignment_of</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_new_operator.html" title="has_new_operator">has_new_operator</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_assign.html" title="has_nothrow_assign">has_nothrow_assign</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_constructor.html" title="has_nothrow_constructor">has_nothrow_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_constructor.html" title="has_nothrow_constructor">has_nothrow_default_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_copy.html" title="has_nothrow_copy">has_nothrow_copy</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_copy.html" title="has_nothrow_copy">has_nothrow_copy_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_nothrow_destruct.html" title="has_nothrow_destructor">has_nothrow_destructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_assign.html" title="has_trivial_assign">has_trivial_assign</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_constructor.html" title="has_trivial_constructor">has_trivial_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_constructor.html" title="has_trivial_constructor">has_trivial_default_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_copy.html" title="has_trivial_copy">has_trivial_copy</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_copy.html" title="has_trivial_copy">has_trivial_copy_constructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_trivial_destructor.html" title="has_trivial_destructor">has_trivial_destructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/has_virtual_destructor.html" title="has_virtual_destructor">has_virtual_destructor</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_abstract.html" title="is_abstract">is_abstract</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">U</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_assignable.html" title="is_assignable">is_assignable</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_copy_constructible.html" title="is_copy_constructible">is_copy_constructible</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_copy_assignable.html" title="is_copy_assignable">is_copy_assignable</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">Args</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_constructible.html" title="is_constructible">is_constructible</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_default_constructible.html" title="is_default_constructible">is_default_constructible</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">Args</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_list_constructible.html" title="is_list_constructible">is_list_constructible</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_destructible.html" title="is_destructible">is_destructible</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_const.html" title="is_const">is_const</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_empty.html" title="is_empty">is_empty</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_final.html" title="is_final">is_final</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_stateless.html" title="is_stateless">is_stateless</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_pod.html" title="is_pod">is_pod</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_polymorphic.html" title="is_polymorphic">is_polymorphic</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_signed.html" title="is_signed">is_signed</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_unsigned.html" title="is_unsigned">is_unsigned</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/is_volatile.html" title="is_volatile">is_volatile</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span> <span class="special">=</span> <span class="number">0</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/extent.html" title="extent">extent</a><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="../../reference/rank.html" title="rank">rank</a><span class="special">;</span>
</pre>
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        Distributed under the Boost Software License, Version 1.0. (See accompanying
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